a focal length of a converging lens is 20 CM where will the image be formed if an object is placed at 60 cm from the lens
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u= -20
v= -60
1/f=1/v-1/u
=(1/-20)-(1/-60)
= -80 cm
hence, Focal length is negative, it diverging in nature and concave length
v= -60
1/f=1/v-1/u
=(1/-20)-(1/-60)
= -80 cm
hence, Focal length is negative, it diverging in nature and concave length
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Answer:
Image distance is 30cm
Nature of image : real, inverted, formed on other side of lense
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